Simplexcel
                                A 100% managed code (.net Standard 2.0/2.1/Core/.net Framework 4.5+) library to generate Excel .xlsx Workbooks. Can be safely used on a server, no COM Interop or other unsafe/unsupported operations.
                            
                        How to download and setup Simplexcel
Open terminal and run command
                                            git clone https://github.com/mstum/Simplexcel.git
                                        
                                        git clone is used to create a copy or clone of Simplexcel repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with Simplexcel https://github.com/mstum/Simplexcel/archive/master.zip
Or simply clone Simplexcel with SSH
                                            [email protected]:mstum/Simplexcel.git                                    
                                    If you have some problems with Simplexcel
You may open issue on Simplexcel support forum (system) here: https://github.com/mstum/Simplexcel/issuesSimilar to Simplexcel repositories
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